Feel the negative, slow on the way out, lower under control; these are all phrases that are common to take advantage of the eccentric portion of the lift. Let me break down why this is important and how I do it. Eccentric is a lengthening of the muscle fibers (concentric is the contraction). When you perform a movement, one half is concentric, the other is the eccentric. It's this second part that not only often gets overlooked, but really is a big bang for the buck. The ecce